夸大其词

make an overstatement; speak in superlatives; exaggerate

e.g. 你总是夸大其词，别人就很难相信你了。

If you always overstate your case, people will no longer believe you.

e.g. 他的说法过于夸大其词。

His account was full of exaggerations.

心译翻译工作室